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Diffstat (limited to 'signs_lib')
-rw-r--r--signs_lib/init.lua20
1 files changed, 14 insertions, 6 deletions
diff --git a/signs_lib/init.lua b/signs_lib/init.lua
index 8e0d047..82a0f1b 100644
--- a/signs_lib/init.lua
+++ b/signs_lib/init.lua
@@ -26,6 +26,9 @@ signs_lib.gettext = S
-- text encoding
dofile(signs_lib.path .. "/encoding.lua");
+-- Initialize character texture cache
+local ctexcache = {}
+
local wall_dir_change = {
[0] = 4,
@@ -362,14 +365,19 @@ end
-- make char texture file name
-- if texture file does not exist use fallback texture instead
local function char_tex(font_name, ch)
- local c = ch:byte()
- local exists, tex = file_exists(CHAR_PATH:format(font_name, c))
- if exists and c ~= 14 then
- tex = CHAR_FILE:format(font_name, c)
+ if ctexcache[font_name..ch] then
+ return ctexcache[font_name..ch], true
else
- tex = CHAR_FILE:format(font_name, 0x0)
+ local c = ch:byte()
+ local exists, tex = file_exists(CHAR_PATH:format(font_name, c))
+ if exists and c ~= 14 then
+ tex = CHAR_FILE:format(font_name, c)
+ else
+ tex = CHAR_FILE:format(font_name, 0x0)
+ end
+ ctexcache[font_name..ch] = tex
+ return tex, exists
end
- return tex, exists
end
local function make_line_texture(line, lineno, pos)